9 3 2015 CALPEX district heating pipe CPX Subject to technical changes 1 106 3 Thermal insulation Materials CALPEX heating CFC free cyclopentane blown polyurethane foam PUR CALPEX sanitary CFC free 100 CO2 blown polyurethane foam PUR PUR insulation Reference temperature C CALPEX heating CALPEX sanitary Test standard Density 50 kg m3 50 kg m3 EN 253 Axial shear strength 90 kPa EN 15632 2 Thermal concuctivity flexible systems 50 0 0216 W mK 0 0234 W mK EN 253 and ISO 8497 Thermal concuctivity rigid systems 50 0 0260 W mK EN 253 and ISO 8497 Percentage of closed cells 90 90 EN 253 Water absorbtion 100 10 10 EN 15632 1 4 Protective casing Materials linear polyethylene low density LLD PE seamlessly extruded Purpose mechanical protection and moisture resistance LLD PE protective casing Reference temperature C Value Test standard Density 918 922 kg m3 ISO 1183 Thermal conductivity 0 33 W mK DIN 52612 Crystallite melting range 122 C ISO 11357 3 Note Due to the planned revision of standards the heat losses are not shown as specified within EN 15632

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